Enhanced Compatibility: U3 adopts simple RCA input and 6.35mm headphone output, while U3 PRO is upgraded with 3.5mm AUX/stereo RCA input and 3.5mm/6.35mm headphone jack output. The U3 PRO is compatible with more audio sources, including MP3 players, iPods, smartphones, tablets, computers, and CD players etc., and more headphone models as well. Built-in Voltage Boost Circuit: U3 PRO adopting innovative circuit design with built-in voltage boost circuit, the amplifier circuit can work at a higher voltage of ±14V even only powered by DC 5V, and the background noise index is excellent. With wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.
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Unit Only Supplied As Seen.
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brought a few months ago. I've got a spark mini now and dont use them as I can plug headphones in to mini. they are in really good condition dont look like they have been used. supplied with power cable but no original box. will be well wrapped though The Positive Grid Spark Neo Wireless Smart Guitar Headphone Amplifier is a cutting-edge device designed for electric guitar players. This combo amplifier, with its modelling technology, delivers high-quality sound through its single speaker. It is perfect for practice sessions, offering a versatile and portable option for musicians looking to enhance their guitar playing experience with a reliable and convenient amplifier.
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Fiio Mont Blanc E12 Headphone Amp Good condition, supplied with all cables necessary. Lovely sound.
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Hardly used, upgraded to Fiio M21 Comes with leather case!
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Massdrop THX AAA 789, hardly used in excellent condition. With instructions and original box. With upgraded aluminium feet, original feet included.
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Very nice DAC, in very good condition.
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Experience music like never before with thePortable HiFi Stereo Audio Headphone Amplifier. Introducing the Portable HiFi Stereo Audio Headphone Amplifier, the ultimate solution for enhancing your audio experience on the go.
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